Chromatin-positive Klinefelter's syndrome. A quantitative analysis of spermatogonial deficiency at 3, 4, and 12 months of age.
D006801:Humans; D007223:Infant; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000235:genetics / Q000473:pathology*; D008297:Male; D012611:Scrotum / Q000473:pathology; D012708:Sertoli Cells; D012728:Sex Chromatin; D013737:Testis / Q000473:pathology*